Table 5. Predictive analysis of stage, age, and PR expression affecting non-pCR.

Patient characteristic	AUC	SE	95% CI	P
Age
≤35 years	Ref
>35 years	0.526	0.027	0.473–0.579	0.32
PR
Negative	Ref
Positive	0.628	0.024	0.581–0.676	<0.001*
Stage
I + II	Ref
III	0.557	0.026	0.507–0.607	0.03*

*, statistically significant at P≤0.05. PR, progesterone receptor; pCR, pathologic complete response; Ref, reference; AUC, area under the curve; SE, standard error; CI, confidence interval.